Search

Euel K. Cowan

Examiner (ID: 8652, Phone: (571)270-5093 , Office: P/2664 )

Most Active Art Unit
2664
Art Unit(s)
2622, 2664
Total Applications
366
Issued Applications
282
Pending Applications
0
Abandoned Applications
89

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20418708 [patent_doc_number] => 20250380793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => ELECTRIC CLEANING BRUSH USING BRISTLE BRUSH FOR CLEANING [patent_app_type] => utility [patent_app_number] => 19/315727 [patent_app_country] => US [patent_app_date] => 2025-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2373 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19315727 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/315727
ELECTRIC CLEANING BRUSH USING BRISTLE BRUSH FOR CLEANING Aug 31, 2025 Pending
Array ( [id] => 20085947 [patent_doc_number] => 20250215883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => AIR-MOVING DEVICE WITH SINGLE-PART ROTOR AND METHODS [patent_app_type] => utility [patent_app_number] => 19/084616 [patent_app_country] => US [patent_app_date] => 2025-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19084616 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/084616
Air-moving device with single-part rotor and methods Mar 18, 2025 Issued
Array ( [id] => 20032769 [patent_doc_number] => 20250170991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => COLLAPSIBLE SNOW PADDLE AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 19/036924 [patent_app_country] => US [patent_app_date] => 2025-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19036924 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/036924
COLLAPSIBLE SNOW PADDLE AND METHOD OF USE Jan 23, 2025 Pending
Array ( [id] => 20225874 [patent_doc_number] => 12414510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Garden blower [patent_app_type] => utility [patent_app_number] => 18/955934 [patent_app_country] => US [patent_app_date] => 2024-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 516 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18955934 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/955934
Garden blower Nov 20, 2024 Issued
Array ( [id] => 19938434 [patent_doc_number] => 12310545 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-27 [patent_title] => General purpose tidying robot [patent_app_type] => utility [patent_app_number] => 18/819084 [patent_app_country] => US [patent_app_date] => 2024-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 75 [patent_figures_cnt] => 120 [patent_no_of_words] => 32697 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 553 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18819084 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/819084
General purpose tidying robot Aug 28, 2024 Issued
Array ( [id] => 19729743 [patent_doc_number] => 12207727 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-28 [patent_title] => Reciprocating cleaning brush [patent_app_type] => utility [patent_app_number] => 18/809342 [patent_app_country] => US [patent_app_date] => 2024-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2241 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18809342 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/809342
Reciprocating cleaning brush Aug 19, 2024 Issued
Array ( [id] => 20427278 [patent_doc_number] => 20250389367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => PIPELINE SCALE REMOVAL [patent_app_type] => utility [patent_app_number] => 18/753633 [patent_app_country] => US [patent_app_date] => 2024-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18753633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/753633
PIPELINE SCALE REMOVAL Jun 24, 2024 Pending
Array ( [id] => 19496055 [patent_doc_number] => 20240335073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => SURFACE CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/745099 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18745099 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/745099
Surface cleaning apparatus Jun 16, 2024 Issued
Array ( [id] => 19477089 [patent_doc_number] => 20240325131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => HYGIENIC BRUSH [patent_app_type] => utility [patent_app_number] => 18/738867 [patent_app_country] => US [patent_app_date] => 2024-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8931 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18738867 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/738867
HYGIENIC BRUSH Jun 9, 2024 Abandoned
Array ( [id] => 19615657 [patent_doc_number] => 20240401337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => GUTTER AND DOWNSPOUT CLEANING DEVICE AND METHOD [patent_app_type] => utility [patent_app_number] => 18/680231 [patent_app_country] => US [patent_app_date] => 2024-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18680231 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/680231
Gutter and downspout cleaning device and method May 30, 2024 Issued
Array ( [id] => 20385039 [patent_doc_number] => 12484746 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Extraction cleaner [patent_app_type] => utility [patent_app_number] => 18/664955 [patent_app_country] => US [patent_app_date] => 2024-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 51 [patent_no_of_words] => 23908 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18664955 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/664955
Extraction cleaner May 14, 2024 Issued
Array ( [id] => 20262493 [patent_doc_number] => 12433458 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Upright surface treatment apparatus having removable pod [patent_app_type] => utility [patent_app_number] => 18/649361 [patent_app_country] => US [patent_app_date] => 2024-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 29 [patent_no_of_words] => 2321 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18649361 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/649361
Upright surface treatment apparatus having removable pod Apr 28, 2024 Issued
Array ( [id] => 19882671 [patent_doc_number] => 12268350 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Cleaning apparatus [patent_app_type] => utility [patent_app_number] => 18/647387 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 50 [patent_no_of_words] => 13856 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18647387 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/647387
Cleaning apparatus Apr 25, 2024 Issued
Array ( [id] => 19378750 [patent_doc_number] => 20240268620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => Riding Floor Cleaning Machines Having Intelligent Systems, Associated Sub-Assemblies Incorporating Intelligent Systems, and Associated Methods of Use [patent_app_type] => utility [patent_app_number] => 18/632517 [patent_app_country] => US [patent_app_date] => 2024-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18632517 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/632517
Riding Floor Cleaning Machines Having Intelligent Systems, Associated Sub-Assemblies Incorporating Intelligent Systems, and Associated Methods of Use Apr 10, 2024 Abandoned
Array ( [id] => 20400730 [patent_doc_number] => 12490688 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Concentrator attachment for blower air tube [patent_app_type] => utility [patent_app_number] => 18/626868 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18626868 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/626868
Concentrator attachment for blower air tube Apr 3, 2024 Issued
Array ( [id] => 19296832 [patent_doc_number] => 20240225396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => SURFACE CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/615363 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21541 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18615363 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/615363
Surface cleaning apparatus Mar 24, 2024 Issued
Array ( [id] => 19896521 [patent_doc_number] => 12274412 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Evacuation dock with fluid management [patent_app_type] => utility [patent_app_number] => 18/602591 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 1068 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18602591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/602591
Evacuation dock with fluid management Mar 11, 2024 Issued
Array ( [id] => 19232678 [patent_doc_number] => 20240189870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => Drain Cleaning Device [patent_app_type] => utility [patent_app_number] => 18/587824 [patent_app_country] => US [patent_app_date] => 2024-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6831 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18587824 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/587824
Drain Cleaning Device Feb 25, 2024 Abandoned
Array ( [id] => 19674062 [patent_doc_number] => 12185898 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Nozzle for cleaner [patent_app_type] => utility [patent_app_number] => 18/437798 [patent_app_country] => US [patent_app_date] => 2024-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 28 [patent_no_of_words] => 13229 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18437798 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/437798
Nozzle for cleaner Feb 8, 2024 Issued
Array ( [id] => 19665665 [patent_doc_number] => 12178383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Detection device [patent_app_type] => utility [patent_app_number] => 18/420416 [patent_app_country] => US [patent_app_date] => 2024-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 9821 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18420416 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/420416
Detection device Jan 22, 2024 Issued
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